New SHAMOS Malware Targets macOS Through Fake Help Sites to Steal Login Credentials

Cybersecurity researchers at CrowdStrike identified and thwarted a sophisticated malware campaign deploying SHAMOS, an advanced variant of the Atomic macOS Stealer (AMOS) malware, orchestrated by the cybercriminal group COOKIE SPIDER. Operating under a malware-as-a-service model, COOKIE SPIDER rents out this…

QUIC-LEAK Vulnerability Allows Attackers to Drain Server Memory and Cause DoS

Security researchers at Imperva have disclosed a critical pre-handshake memory exhaustion vulnerability in the widely-used LSQUIC QUIC implementation that enables remote attackers to crash servers through denial-of-service attacks. The flaw, designated CVE-2025-54939 and dubbed “QUIC-LEAK,” bypasses standard QUIC connection-level protections…